BlueCross BlueShield of South Carolina dominates the commercial insurance market in rural communities. An examination of its hospital reimbursement rates raises serious questions about whether the state's largest private insurer is helping sustain rural health care—or contributing to its financial collapse.
Nearly 700 rural hospitals across America—roughly one in every three—are at risk of closing, according to a recent report by the Center for Healthcare Quality and Payment Reform (CHQPR).
When rural hospitals close, government is almost always the first institution blamed. The familiar explanation is that Medicare and Medicaid reimburse hospitals too little to cover the cost of providing care. While inadequate government reimbursement is certainly part of the problem, this explanation overlooks a much larger and less frequently discussed player: the private health insurance industry.
The companies collecting billions of dollars in taxpayer-funded Medicare Advantage payments are also among the insurers determining how much hospitals receive for treating their members. And in many rural communities, those reimbursement decisions may be making an already difficult financial situation considerably worse.
The problem isn't simply that government doesn't pay enough. It's that private insurers may not be paying enough, either.
The overlooked role of private health insurance
According to CHQPR, more than 40% of rural hospitals lose money providing patient care. One of the primary reasons is that private health plans reimburse these hospitals at rates below the actual cost of delivering services.
This is an important distinction that often gets lost in the national debate about rural hospital closures.
Approximately half of the care provided by a typical rural hospital goes to patients with private insurance, either through employer-sponsored coverage or Medicare Advantage plans.
Yet much of the policy discussion surrounding rural hospital sustainability focuses almost exclusively on traditional Medicare and Medicaid.
As CHQPR has pointed out, this approach rests partly on an outdated understanding of rural hospital patient populations. Historically, policymakers have relied heavily on inpatient data when evaluating rural hospital finances. But much of the care delivered by small rural hospitals today is outpatient care.
The result is a distorted picture of where rural hospitals receive their revenue—and where reimbursement problems actually originate.
If private insurance accounts for a substantial portion of a rural hospital's business, then private insurance reimbursement must be part of any serious discussion about keeping that hospital open.
And nowhere does this issue deserve greater scrutiny than in South Carolina.
South Carolina: A private insurer with enormous market influence
BlueCross BlueShield of South Carolina occupies an extraordinary position in the state's commercial health insurance market.
In many rural South Carolina communities, our analysis indicates that BlueCross BlueShield has approximately 70% to 80% penetration of the commercially insured patient market.
That kind of market concentration creates enormous influence over the financial health of local hospitals, community health centers, and other health care providers.
When one insurance company has such a dominant position, its reimbursement policies are not simply contractual decisions between two private businesses. They can have consequences for the availability of health care across entire communities.
We have obtained access to approximately 8,500 fee schedules covering reimbursement arrangements between BlueCross BlueShield of South Carolina and hospitals across the state.
These files are provided in a machine-readable JSON format. However, the underlying data is far from straightforward. The files contain extensive extraneous, duplicative, and difficult-to-interpret entries, making meaningful comparisons extraordinarily challenging.
After spending months decoding and analyzing this information, we have identified troubling reimbursement patterns that deserve public attention.
Our analysis indicates that BlueCross BlueShield of South Carolina reimburses many local hospitals and community health centers at rates significantly below those paid to other facilities—and, in numerous instances, below traditional Medicare reimbursement rates.
That should raise serious questions.
Commercial health insurance reimbursement is generally expected to reflect negotiated rates between insurers and providers. Although commercial rates vary considerably, it is unusual and concerning to find a dominant commercial insurer paying hospitals below Medicare benchmarks across substantial portions of its provider network.
The question is not simply why some hospitals receive less.
The more important question is: Why do some South Carolina hospitals appear to receive substantially better reimbursement than others, even when they are serving communities with significant health care needs?
A two-tier reimbursement system?
South Carolina already has some of the highest hospital prices in the country.
RAND Corporation research comparing commercial hospital prices across states has repeatedly placed South Carolina among the most expensive states for hospital services.
But high hospital prices at the state level do not necessarily mean every hospital benefits equally.
Our review of BlueCross BlueShield's fee schedules suggests a substantial disparity between reimbursement for hospitals serving more affluent and populous areas and reimbursement for smaller, rural, and community-based facilities.
Major health systems such as MUSC, Lexington Medical Center, and Prisma Health operate in a very different financial environment from many independent and rural hospitals.
These larger systems have greater negotiating leverage, broader geographic reach, and more resources to negotiate complex insurance contracts.
Smaller hospitals do not enjoy those same advantages.
When an insurer dominates the commercial insurance market, a rural hospital may have little practical leverage to negotiate better reimbursement. Walking away from the insurer's network could mean losing access to a substantial portion of its commercially insured patients.
That creates an imbalance of power.
A hospital serving a small rural community cannot simply decide to stop accepting the state's dominant commercial insurance plan. Its patients need that coverage, and the hospital needs those patients to remain financially viable.
The result may be a system in which smaller hospitals have limited negotiating power while larger health systems are better positioned to secure favorable reimbursement arrangements.
If our analysis is correct, this raises the possibility that BlueCross BlueShield's reimbursement practices are contributing to a two-tier health care system in South Carolina: one in which hospitals in wealthier, more commercially attractive markets receive more favorable reimbursement, while rural communities are left with fewer resources.
This is not merely a question of hospital profitability. It is a question of geographic equity and access to health care.
The consequences extend beyond hospital balance sheets
A rural hospital is more than a medical facility.
It is often one of the largest employers in its community. It provides emergency services, outpatient care, diagnostic testing, surgical services, and access to physicians who might otherwise be unavailable for miles.
When a rural hospital closes, the consequences are felt throughout the local economy.
Patients must travel farther for emergency treatment. Pregnant women may lose access to nearby maternity services. Elderly residents face additional barriers to routine care. Local employers find it harder to attract workers, and communities lose an important economic anchor.
Hospital closures also place additional pressure on neighboring facilities, which must absorb patients from communities that have lost their local health care infrastructure.
We cannot continue to discuss rural hospital closures as though they are exclusively a Medicare and Medicaid funding problem.
Private insurers have an enormous influence over the financial sustainability of the hospitals they contract with. Their reimbursement decisions deserve the same level of scrutiny as government payment policies.
South Carolina legislators need to ask some difficult questions
The South Carolina General Assembly should take a much closer look at BlueCross BlueShield of South Carolina's hospital reimbursement practices.
Specifically, legislators and state regulators should examine:
Hospital-by-hospital reimbursement rates: How much does BlueCross BlueShield pay each South Carolina hospital for comparable services?
Medicare comparisons: How frequently are rural hospitals and community health centers reimbursed below traditional Medicare rates?
Geographic disparities: Why do hospitals serving rural and economically disadvantaged communities appear to receive less favorable reimbursement than facilities in more affluent counties?
Market concentration: What impact does BlueCross BlueShield's dominant position in the commercial insurance market have on the negotiating power of rural hospitals?
Community health center reimbursement: Are independent providers and community health centers experiencing similar reimbursement disadvantages?
Transparency: Should the state require greater disclosure of hospital-specific commercial reimbursement rates and meaningful comparisons across geographic markets?
These are not unreasonable questions. They are essential questions when the financial survival of rural hospitals is at stake.
If a dominant insurer is paying rural hospitals below the cost of providing care while negotiating substantially more favorable rates for larger health systems, the public deserves to know why.
And if the reimbursement differences cannot be justified by legitimate differences in services, costs, or contractual arrangements, regulators should determine whether corrective action is warranted.
We cannot save rural hospitals while ignoring private insurers
There is an uncomfortable contradiction in the national health care debate.
We routinely criticize government for failing to adequately reimburse rural hospitals, while giving private insurance companies far less scrutiny for the reimbursement policies they negotiate with those same hospitals.
That needs to change.
BlueCross BlueShield of South Carolina is not a minor participant in the state's health care system. Its market position gives it considerable influence over the financial stability of hospitals and providers throughout South Carolina.
With that influence comes responsibility.
Our analysis of approximately 8,500 reimbursement fee schedules raises serious questions about whether that responsibility is being met.
We believe the data warrants an independent examination by the South Carolina General Assembly, the Department of Insurance, and other appropriate state authorities.
Rural hospitals should not have to operate at a competitive disadvantage simply because they serve smaller communities with less negotiating power.
The survival of a hospital in a rural South Carolina county should not depend on whether it has the market leverage of MUSC, Prisma, or Lexington Medical Center.
If South Carolina is serious about protecting access to health care in rural communities, it must stop looking exclusively at government reimbursement and start examining the private insurance companies that control so much of the commercial health care market.
The question legislators should be asking is straightforward:
Is BlueCross BlueShield of South Carolina helping keep rural hospitals alive, or are its reimbursement practices contributing to the very crisis that threatens to close them?
The fee schedules deserve a closer look. And South Carolina's rural communities cannot afford to wait for the answer.
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